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Dihydrexidine (trans-10,11-dihydroxy-5,6,6a,7,8,12b-hexahydrobenzo[a]phena nthridine) was reported recently to be the first full efficacy, potent D1 receptor agonist, but one also having some potency for D2 receptors. This study reports the effects of dihydrexidine on behavior of the rat. In study 1, the dose-response relationships of dihydrexidine (0.3 to(More)
First estrus is advanced in female house mice exposed to an adult male and delayed in those housed in groups. Experiments were conducted to explore possible mechanisms by which the hypothalamus integrates these puberty-regulating social signals. Female mice weaned at 21 days of age were placed in groups of 8 (G8JF), a juvenile female with a juvenile male(More)
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